Dev Builds » 20211127-1326

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:53:52 584807 4000 795 1235 1970 -38.37 ± 5.2 13 681 1042 261 3 -75.88 ± 10.51
ncm-dbt-02 06:52:26 585973 4000 772 1227 2001 -39.69 ± 5.24 8 716 999 277 0 -78.99 ± 10.76
ncm-dbt-03 06:52:44 586762 4000 800 1260 1940 -40.13 ± 5.19 13 694 1036 254 3 -79.53 ± 10.54
ncm-dbt-04 06:52:39 571810 4000 774 1272 1954 -43.48 ± 5.32 18 728 991 260 3 -85.6 ± 10.8
ncm-dbt-05 06:53:18 583934 4000 809 1231 1960 -36.79 ± 5.33 10 704 985 300 1 -72.79 ± 10.85
20000 3950 6225 9825 -39.69 ± 2.35 62 3523 5053 1352 10 -78.55 ± 4.78

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
380259 ncm-dbt-01 583405 500 91 155 254 -44.72 ± 15.03 3 90 125 32 0 -86.52 ± 30.48 ↓
380258 ncm-dbt-05 588600 500 98 153 249 -38.37 ± 15.78 3 89 119 38 1 -74.79 ± 31.31 ↓
380257 ncm-dbt-02 586477 500 103 148 249 -31.35 ± 14.85 1 82 128 39 0 -61.79 ± 30.13 ↓
380256 ncm-dbt-04 572679 500 91 178 231 -61.07 ± 15.57 3 111 106 30 0 -121.46 ± 33.17 ↓
380255 ncm-dbt-03 587070 500 98 147 255 -34.16 ± 14.52 1 82 132 35 0 -67.55 ± 29.58 ↓
380254 ncm-dbt-01 587113 500 114 159 227 -31.35 ± 15.11 3 77 133 36 1 -60.36 ± 29.46 ↓
380253 ncm-dbt-02 588899 500 85 163 252 -54.64 ± 15.53 2 107 108 33 0 -109.07 ± 32.85 ↓
380252 ncm-dbt-03 585337 500 106 174 220 -47.54 ± 13.28 1 86 143 20 0 -95.44 ± 27.76 ↓
380251 ncm-dbt-04 570428 500 98 150 252 -36.26 ± 14.79 1 86 127 36 0 -71.89 ± 30.24 ↓
380250 ncm-dbt-05 581153 500 105 174 221 -48.25 ± 15.22 2 98 117 33 0 -95.44 ± 31.58 ↓
380121 ncm-dbt-03 586858 500 111 162 227 -35.56 ± 14.35 1 82 134 33 0 -70.44 ± 29.29 ↓
380120 ncm-dbt-05 586477 500 102 161 237 -41.19 ± 14.57 0 92 125 33 0 -83.57 ± 30.49 ↓
380119 ncm-dbt-01 584076 500 98 163 239 -45.42 ± 14.14 0 93 129 28 0 -92.46 ± 29.89 ↓
380118 ncm-dbt-04 573932 500 104 159 237 -38.37 ± 15.29 2 87 127 32 2 -77.71 ± 30.23 ↓
380117 ncm-dbt-02 579207 500 88 150 262 -43.3 ± 14.56 1 91 127 31 0 -86.52 ± 30.2 ↓
380116 ncm-dbt-01 585211 500 103 157 240 -37.67 ± 14.35 3 78 139 30 0 -71.89 ± 28.58 ↓
380115 ncm-dbt-05 585295 500 102 159 239 -39.78 ± 15.5 1 95 114 40 0 -79.17 ± 31.97 ↓
380114 ncm-dbt-03 583447 500 94 158 248 -44.72 ± 14.37 2 88 132 28 0 -88.0 ± 29.49 ↓
380113 ncm-dbt-02 585379 500 100 148 252 -33.46 ± 13.53 0 77 144 29 0 -67.55 ± 27.89 ↓
380112 ncm-dbt-04 571391 500 99 155 246 -39.08 ± 15.95 3 92 113 42 0 -74.79 ± 32.09 ↓
380111 ncm-dbt-01 583992 500 96 155 249 -41.19 ± 14.57 2 86 131 31 0 -80.63 ± 29.67 ↓
380110 ncm-dbt-05 589796 500 103 148 249 -31.35 ± 14.6 0 83 129 38 0 -63.23 ± 29.99 ↓
380109 ncm-dbt-02 587325 500 98 157 245 -41.19 ± 16.06 3 95 110 42 0 -79.17 ± 32.48 ↓
380108 ncm-dbt-03 586816 500 86 163 251 -53.93 ± 14.73 1 103 118 28 0 -109.07 ± 31.43 ↓
380107 ncm-dbt-04 572155 500 88 161 251 -51.09 ± 14.45 4 89 133 24 0 -98.44 ± 29.27 ↓
380106 ncm-dbt-05 580199 500 104 148 248 -30.65 ± 15.19 1 84 123 42 0 -60.36 ± 30.78 ↓
380105 ncm-dbt-01 584117 500 99 160 241 -42.6 ± 14.25 1 88 132 29 0 -85.04 ± 29.5 ↓
380104 ncm-dbt-02 585337 500 101 157 242 -39.08 ± 14.57 1 87 129 33 0 -77.71 ± 29.96 ↓
380103 ncm-dbt-03 586901 500 97 151 252 -37.67 ± 15.25 2 88 122 38 0 -73.34 ± 30.91 ↓
380102 ncm-dbt-04 572759 500 99 167 234 -47.54 ± 15.18 3 94 121 32 0 -92.46 ± 31.03 ↓
380101 ncm-dbt-05 581902 500 97 135 268 -26.45 ± 14.78 1 77 131 41 0 -51.8 ± 29.75 ↓
380100 ncm-dbt-02 586816 500 97 150 253 -36.97 ± 14.57 0 88 127 35 0 -74.79 ± 30.24 ↓
380099 ncm-dbt-01 584748 500 100 144 256 -30.65 ± 14.81 1 80 132 36 1 -61.79 ± 29.59 ↓
380098 ncm-dbt-03 588387 500 103 148 249 -31.35 ± 14.73 2 77 136 34 1 -61.79 ± 29.05 ↓
380097 ncm-dbt-04 569869 500 95 146 259 -35.56 ± 14.74 2 82 131 35 0 -68.99 ± 29.71 ↓
380096 ncm-dbt-05 578054 500 98 153 249 -38.37 ± 14.92 2 86 127 35 0 -74.79 ± 30.24 ↓
380095 ncm-dbt-02 588345 500 100 154 246 -37.67 ± 14.61 0 89 126 35 0 -76.25 ± 30.37 ↓
380094 ncm-dbt-01 585801 500 94 142 264 -33.46 ± 15.24 0 89 121 39 1 -68.99 ± 31.04 ↓
380093 ncm-dbt-03 589283 500 105 157 238 -36.26 ± 16.02 3 88 119 38 2 -71.89 ± 31.31 ↓
380092 ncm-dbt-04 571270 500 100 156 244 -39.08 ± 14.31 0 87 133 29 1 -80.63 ± 29.38 ↓

Commit

Commit ID 4bb11e823fb292b8cc81ac873ccca9827af462be
Author Joost VandeVondele
Date 2021-11-27 13:26:35 UTC
Tune NNUE scaling params passed STC: https://tests.stockfishchess.org/tests/view/61a156f89e83391467a2b2cc LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 22816 W: 5896 L: 5646 D: 11274 Ptnml(0-2): 55, 2567, 5961, 2723, 102 passed LTC: https://tests.stockfishchess.org/tests/view/61a1cf3d9e83391467a2b30b LLR: 2.94 (-2.94,2.94) <0.50,3.00> Total: 17904 W: 4658 L: 4424 D: 8822 Ptnml(0-2): 6, 1821, 5079, 2025, 21 closes https://github.com/official-stockfish/Stockfish/pull/3811 Bench: 7218806
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